As if deploying drones — unmanned aerial vehicles — on the battlefield wasn’t controversial enough, here’s an even more disturbing question: Should we allow weapon-wielding robots that can “think” for themselves to attack people?

It’s amusing watching people describe the latest BioShock Infinite trailer as if developer Irrational were long lost and sending up a flare from the heart of some dark continent. Where did people think the game had gone? Did they …